TennisEdge's AI bot is backing J. M. Cerundolo (moneyline) at 2.18 in R. Collignon vs J. M. Cerundolo (Gstaad on 2026-07-18). Result: LOST.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | R. Collignon | J. M. Cerundolo |
|---|---|---|
| Elo ratings-based, surface-weighted |
47.4% | 52.6% |
| Machine learning 29-feature gradient-boosted model |
37.5% | 62.5% |
| Serve / return point-by-point simulation |
60.3% | 39.7% |
| Blend what the bot actually prices off |
50.8% | 49.2% |
| Market implied de-vigged from the opening odds |
56.3% | 43.7% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| R. Collignon | clay | 1829 | 136–49 | 185 |
| J. M. Cerundolo | clay | 1841 | 205–111 | 316 |
Our own ratings, computed from match results since 2018. Players with fewer than 5 rated matches are omitted rather than shown at a provisional starting value. Last updated July 21, 2026.
J. M. Cerundolo leads 3–1 over 4 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| July 18, 2026 | Gstaad | clay | R. Collignon | 2 - 1 |
| June 22, 2026 | Eastbourne | grass | J. M. Cerundolo | 2 - 1 |
| May 17, 2026 | Bordeaux | clay | J. M. Cerundolo | 2 - 1 |
| July 10, 2025 | Braunschweig | clay | J. M. Cerundolo | 2 - 1 |
| L | J. Lehecka | 0 - 2 | Oct. 22, 2026 |
| W | N. Basavareddy | 1 - 2 | Oct. 20, 2026 |
| L | S. Gorzny | 3 - 2 | Aug. 31, 2026 |
| L | R. Hijikata | 1 - 2 | Aug. 25, 2026 |
| L | M. Navone | 2 - 0 | Aug. 13, 2026 |
| L | A. Michelsen | 2 - 0 | Nov. 10, 2026 |
| W | E. Ymer | 0 - 2 | Nov. 8, 2026 |
| L | C. Ruud | 2 - 0 | Nov. 2, 2026 |
| W | M. Kecmanovic | 2 - 1 | Nov. 1, 2026 |
| W | A. Kovacevic | 2 - 0 | Oct. 31, 2026 |
All July 18, 2026 results & picks →